DE3446004C2 - Gesteinsbohrkrone - Google Patents

Gesteinsbohrkrone

Info

Publication number
DE3446004C2
DE3446004C2 DE3446004A DE3446004A DE3446004C2 DE 3446004 C2 DE3446004 C2 DE 3446004C2 DE 3446004 A DE3446004 A DE 3446004A DE 3446004 A DE3446004 A DE 3446004A DE 3446004 C2 DE3446004 C2 DE 3446004C2
Authority
DE
Germany
Prior art keywords
working surface
drill bit
insert
inserts
radius
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE3446004A
Other languages
German (de)
English (en)
Other versions
DE3446004A1 (de
Inventor
Lars Erik Sandviken Larsson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Santrade Ltd
Original Assignee
Santrade Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Santrade Ltd filed Critical Santrade Ltd
Publication of DE3446004A1 publication Critical patent/DE3446004A1/de
Application granted granted Critical
Publication of DE3446004C2 publication Critical patent/DE3446004C2/de
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-type inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
DE3446004A 1983-12-19 1984-12-17 Gesteinsbohrkrone Expired DE3446004C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8307010A SE8307010L (sv) 1983-12-19 1983-12-19 Stift for slagborrande borrkrona och borrkrona derfor

Publications (2)

Publication Number Publication Date
DE3446004A1 DE3446004A1 (de) 1985-07-04
DE3446004C2 true DE3446004C2 (de) 1987-02-05

Family

ID=20353789

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3446004A Expired DE3446004C2 (de) 1983-12-19 1984-12-17 Gesteinsbohrkrone

Country Status (7)

Country Link
US (1) US4607712A (fr)
AU (1) AU3687884A (fr)
CA (1) CA1225986A (fr)
DE (1) DE3446004C2 (fr)
FI (1) FI844955L (fr)
IE (1) IE56163B1 (fr)
SE (1) SE8307010L (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104302862A (zh) * 2012-03-22 2015-01-21 山特维克知识产权股份有限公司 用于冲击钻削的钻头

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4756373A (en) * 1986-12-23 1988-07-12 Trw Inc. Rock drilling bit and a method of producing the same
ZA95663B (en) * 1993-10-28 1996-07-29 Galison Drilling Pty Ltd Mounting drill buttons
SE509280C2 (sv) * 1994-10-12 1999-01-11 Sandvik Ab Stift av hårdmetall och bergborrkrona för slående borrning
SE507098C2 (sv) * 1994-10-12 1998-03-30 Sandvik Ab Stift av hårdmetall och bergborrkrona för slående borrning
SE523853C2 (sv) * 1997-06-30 2004-05-25 Smith International Borrkrona med stora insatser
US5947215A (en) * 1997-11-06 1999-09-07 Sandvik Ab Diamond enhanced rock drill bit for percussive drilling
SE513015C2 (sv) * 1997-11-19 2000-06-19 Sandvik Ab Rullborrkrona och stiftrulle för bergborrning
US6039127A (en) * 1998-03-13 2000-03-21 Loudon Enterprises, Inc. Rock drill
US6655480B1 (en) * 2000-10-05 2003-12-02 Kennametal Inc. Cutting insert for percussion drill bit
US6799648B2 (en) 2002-08-27 2004-10-05 Applied Process, Inc. Method of producing downhole drill bits with integral carbide studs
AR044550A1 (es) * 2003-05-26 2005-09-21 Shell Int Research Cabeza de perforacion y sistema y metodo para perforar un pozo de perforacion en una formacion de tierra
AR044485A1 (es) * 2003-06-12 2005-09-14 Shell Int Research Mecha perforadora con percusion, sistema de perforacion que incluye dicha mecha perforadora y un metodo para perforar un pozo
US7455126B2 (en) * 2004-05-25 2008-11-25 Shell Oil Company Percussive drill bit, drilling system comprising such a drill bit and method of drilling a bore hole
US7624825B2 (en) * 2005-10-18 2009-12-01 Smith International, Inc. Drill bit and cutter element having aggressive leading side
SE534206C2 (sv) * 2009-10-05 2011-05-31 Atlas Copco Secoroc Ab Hårdmetallstift för en borrkrona för slående bergborrning, borrkrona och metod att slipa ett hårdmetallstift
JP1569599S (fr) * 2016-07-14 2017-02-20
JP1569597S (fr) * 2016-07-14 2017-02-20
JP1569589S (fr) * 2016-07-14 2017-02-20
USD818507S1 (en) * 2017-02-28 2018-05-22 Kennametal Inc Replaceable tip for a rotatable cutting tool

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1516601A (en) * 1922-07-07 1924-11-25 Hawkesworth Drill Company Drill
US2689109A (en) * 1948-04-30 1954-09-14 Joy Mfg Co Rock drill bit
US3145791A (en) * 1959-07-02 1964-08-25 Hard Metals Ltd Inserts for rock drill bits
US3269470A (en) * 1965-11-15 1966-08-30 Hughes Tool Co Rotary-percussion drill bit with antiwedging gage structure
US3442342A (en) * 1967-07-06 1969-05-06 Hughes Tool Co Specially shaped inserts for compact rock bits,and rolling cutters and rock bits using such inserts
US3522852A (en) * 1967-08-18 1970-08-04 Trident Ind Inc Expandable drill bit and reamer construction
DE7026751U (de) * 1970-07-16 1970-10-15 Karnebogen Richard Schlagbohrkrone zum bohren von gestein u. dgl.
ZA732541B (en) * 1972-05-08 1974-03-27 Dresser Ind Insert cutter for cutting kerfs
GB1434197A (en) * 1972-08-05 1976-05-05 Wickman Wimet Ltd Rotary percussion drill bits
CA1071184A (fr) * 1976-03-29 1980-02-05 Wilbur S. Keller Jauge entrante asymetrique pour appareil de forage de sol
US4148368A (en) * 1976-09-27 1979-04-10 Smith International, Inc. Rock bit with wear resistant inserts
US4086973A (en) * 1976-12-03 1978-05-02 Dresser Industries, Inc. Asymmetric insert for inner row of an earth boring cutter
US4108260A (en) * 1977-04-01 1978-08-22 Hughes Tool Company Rock bit with specially shaped inserts
SE7808550L (sv) * 1977-09-19 1979-03-20 Smith International Insats for en borr
US4296825A (en) * 1977-11-25 1981-10-27 Sandvik Aktiebolag Rock drill
US4254840A (en) * 1978-10-05 1981-03-10 Reed Tool Company Drill bit insert
US4406337A (en) * 1981-03-31 1983-09-27 Hughes Tool Company Insert with locking projection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104302862A (zh) * 2012-03-22 2015-01-21 山特维克知识产权股份有限公司 用于冲击钻削的钻头

Also Published As

Publication number Publication date
CA1225986A (fr) 1987-08-25
IE843240L (en) 1985-06-19
FI844955L (fi) 1985-06-20
US4607712A (en) 1986-08-26
IE56163B1 (en) 1991-05-08
DE3446004A1 (de) 1985-07-04
SE8307010L (sv) 1985-06-20
FI844955A0 (fi) 1984-12-14
AU3687884A (en) 1985-07-04
SE8307010D0 (sv) 1983-12-19

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee